Update lib/pulse/lib/Pulse.Lib.Vector.fsti

Co-authored-by: Gabriel Ebner <gebner@gebner.org>

Author: elefthei

lib/pulse/lib/Pulse.Lib.Vector.fsti

@@ -34,7 +34,7 @@ module SZ = FStar.SizeT
 val vector (t:Type0) : Type0
 
 /// Predicate relating a vector to its logical contents and capacity
-val is_vector (#t:Type0) ([@@@mkey]v:vector t) (s:Seq.seq t) (cap:SZ.t) : slprop
+val is_vector (#t:Type0) ([@@@mkey]v:vector t) (#[full_default()] p: perm) (s:Seq.seq t) : slprop
 
 /// Create a new vector with n elements all set to default.
 /// Capacity is initially n. Requires n > 0.